package com.yld.ch01;



public class AA {
	
	
	
	
	
	public static void main(String[] args) {
		System.out.println("hello world...");
		
		System.out.println(add(1,2));              
		
		System.out.println();
		
		
		float age = 33.5f;
		
		char x='x';
	}
	
	public static int add(int x ,int y){
		return x+y;
	}

}
